Home / 7,276.16-10,912.48-2,659.20

Finding the Fourth Proportional to 7,276.16, 10,912.48 and 2,659.20

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Solution

The fourth proportional to 7,276.16, 10,912.48 and 2,659.20 is: 3,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.16 : 10,912.48 = 2,659.20 : x
  2. Step 2: Convert to fraction form
    7,276.16/10,912.48 = 2,659.20/x
  3. Step 3: Cross multiply
    7,276.16x = 10,912.48 × 2,659.20
  4. Step 4: Simplify right side
    7,276.16x = 29,018,466.82
  5. Step 5: Solve for x
    x = 29,018,466.82/7,276.16
  6. Step 6: Final answer
    x = 3,988.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.